Bench seat cushion



FIG. 1: Top left perspective view;

FIG. 2: Bottom plan view;

FIG. 3: Top plan view;

FIG. 4: Front elevation;

FIG. 5: Rear elevation;

FIG. 6: Right side view; and,

FIG. 7: Left side view. 

The ornamental design for a bench seat cushion, as shown and described. 